CSRS config servers require majority write concern even for local database

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    • Type: Bug
    • Resolution: Done
    • Priority: Major - P3
    • 3.2.0-rc1
    • Affects Version/s: 3.2.0-rc0
    • Component/s: Sharding
    • Fully Compatible
    • ALL
      1. Bring up a CSRS replica set of config servers
      2. Try to write a document into a collection in the local database with a write concern of w: 1
    • Sharding B (10/30/15)
    • None
    • 3
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      CSRS config servers require majority write concern even for local database. For example:

      csrs:PRIMARY> use local
switched to db local
csrs:PRIMARY> db.foo.insert({}, {writeConcern: { w: 1}})
WriteResult({
	"writeError" : {
		"code" : 2,
		"errmsg" : "w: 'majority' is the only valid write concern when writing to config server replica sets, got: { w: 1, wtimeout: 0 }"
	}
})

      Should an exception be made in terms of the required write concern for the local database?

            Assignee:
            Misha Tyulenev (Inactive)
            Reporter:
            Timothy Olsen (Inactive)
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              Created:
              Updated:
              Resolved: